`microsoftofficecertification.net`

DNSSEC	⚠️ Not signed
A	20.70.246.20^{🇦🇺 Microsoft20.64.0.0/10}
A	20.76.201.171^{🇳🇱 Microsoft20.64.0.0/10}
A	20.112.250.133^{🇺🇸 Microsoft20.64.0.0/10}
A	20.231.239.246^{🇺🇸 Microsoft20.192.0.0/10}
A	20.236.44.162^{🇺🇸 Microsoft20.192.0.0/10}
NS	`ns1-09.azure-dns.com` ⭐
		A	2603:1061:0:700::9^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
		A	13.107.236.9^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
NS	`ns2-09.azure-dns.net`
		A	2620:1ec:8ec:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
		A	150.171.21.9^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
NS	`ns3-09.azure-dns.org`
		A	2a01:111:4000:700::9^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-09.azure-dns.org`
		A	204.14.183.9^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-09.azure-dns.org`
NS	`ns4-09.azure-dns.info`
		A	2620:1ec:bda:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
		A	208.84.5.9^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
SOA	`ns1-09.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291465

Previously MX for

microsoftofficecertification.net

Same first word

microsoftofficecertification.net

DNS History

23 records (9 active, 14 former)

●NSns1-09.azure-dns.com2026-02-16 → 2026-03-23 · 3 obs

○ 2018-07-26 16:38:42
● 2026-02-16 02:09:24
● 2026-03-23 10:42:34

○NSns1-bexar.nswebhost.com2007-10-19 → 2007-10-19 · 3 obs

● 2007-10-19 17:33:56
○ 2015-07-13 10:48:44
○ 2026-03-23 10:42:34

○NSns1.msft.net2015-07-13 → 2018-07-26 · 5 obs

○ 2007-10-19 17:33:56
● 2015-07-13 10:48:44
● 2018-07-26 16:38:42
○ 2026-02-16 02:09:24
○ 2026-03-23 10:42:34

●NSns2-09.azure-dns.net2026-02-16 → 2026-03-23 · 3 obs

○ 2018-07-26 16:38:42
● 2026-02-16 02:09:24
● 2026-03-23 10:42:34

○NSns2-bexar.nswebhost.com2007-10-19 → 2007-10-19 · 3 obs

● 2007-10-19 17:33:56
○ 2015-07-13 10:48:44
○ 2026-03-23 10:42:34

○NSns2.msft.net2015-07-13 → 2018-07-26 · 5 obs

○ 2007-10-19 17:33:56
● 2015-07-13 10:48:44
● 2018-07-26 16:38:42
○ 2026-02-16 02:09:24
○ 2026-03-23 10:42:34

●NSns3-09.azure-dns.org2026-02-16 → 2026-03-23 · 3 obs

○ 2018-07-26 16:38:42
● 2026-02-16 02:09:24
● 2026-03-23 10:42:34

○NSns3.msft.net2015-07-13 → 2018-07-26 · 5 obs

○ 2007-10-19 17:33:56
● 2015-07-13 10:48:44
● 2018-07-26 16:38:42
○ 2026-02-16 02:09:24
○ 2026-03-23 10:42:34

●NSns4-09.azure-dns.info2026-02-16 → 2026-03-23 · 3 obs

○ 2018-07-26 16:38:42
● 2026-02-16 02:09:24
● 2026-03-23 10:42:34

○NSns4.msft.net2015-07-13 → 2018-07-26 · 5 obs

○ 2007-10-19 17:33:56
● 2015-07-13 10:48:44
● 2018-07-26 16:38:42
○ 2026-02-16 02:09:24
○ 2026-03-23 10:42:34

○MXmicrosoftofficecertification.net2007-10-19 → 2007-10-19 · 3 obs

● 2007-10-19 17:33:56
○ 2015-07-13 10:48:44
○ 2026-03-23 10:42:34

○A104.215.95.1872018-07-26 → 2018-07-26 · 4 obs

○ 2017-01-18 01:21:56
● 2018-07-26 16:38:42
○ 2026-02-16 02:09:24
○ 2026-03-23 10:42:34

●A20.112.250.1332026-02-16 → 2026-03-23 · 3 obs

○ 2018-07-26 16:38:42
● 2026-02-16 02:09:24
● 2026-03-23 10:42:34

●A20.231.239.2462026-02-16 → 2026-03-23 · 3 obs

○ 2018-07-26 16:38:42
● 2026-02-16 02:09:24
● 2026-03-23 10:42:34

●A20.236.44.1622026-02-16 → 2026-03-23 · 3 obs

○ 2018-07-26 16:38:42
● 2026-02-16 02:09:24
● 2026-03-23 10:42:34

●A20.70.246.202026-02-16 → 2026-03-23 · 3 obs

○ 2018-07-26 16:38:42
● 2026-02-16 02:09:24
● 2026-03-23 10:42:34

●A20.76.201.1712026-02-16 → 2026-03-23 · 3 obs

○ 2018-07-26 16:38:42
● 2026-02-16 02:09:24
● 2026-03-23 10:42:34

○A40.84.199.2332017-01-18 → 2017-01-18 · 4 obs

○ 2016-04-29 00:19:40
● 2017-01-18 01:21:56
○ 2018-07-26 16:38:42
○ 2026-03-23 10:42:34

○A52.164.206.562018-07-26 → 2018-07-26 · 4 obs

○ 2017-01-18 01:21:56
● 2018-07-26 16:38:42
○ 2026-02-16 02:09:24
○ 2026-03-23 10:42:34

○A52.178.167.1092017-01-18 → 2017-01-18 · 4 obs

○ 2016-04-29 00:19:40
● 2017-01-18 01:21:56
○ 2018-07-26 16:38:42
○ 2026-03-23 10:42:34

○A64.4.6.1002015-07-13 → 2016-04-29 · 5 obs

○ 2007-10-19 17:33:56
● 2015-07-13 10:48:44
● 2016-04-29 00:19:40
○ 2017-01-18 01:21:56
○ 2026-03-23 10:42:34

○A65.55.39.102015-07-13 → 2016-04-29 · 5 obs

○ 2007-10-19 17:33:56
● 2015-07-13 10:48:44
● 2016-04-29 00:19:40
○ 2017-01-18 01:21:56
○ 2026-03-23 10:42:34

○A70.47.25.1302007-10-19 → 2007-10-19 · 3 obs

● 2007-10-19 17:33:56
○ 2015-07-13 10:48:44
○ 2026-03-23 10:42:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	d.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net...	-
microsoftofficecertification.net	ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info	2 records

✅ Authoritative Response

Server:204.14.183.9

NS records: ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for microsoftofficecertification.net (unsigned zone)

⏱️ Timing

Total: 414ms | Queries: -

📄 Records

Type	Count	Sample Data
A	5	`20.76.201.171, 20.112.250.133...`
NS	4	`ns1-09.azure-dns.com, ns2-09.azure-dns.net...`
SOA	1	`ns1-09.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2-09.azure-dns.net, ns2-09.azure-dns.net)

Analysis

IP Addresses

microsoftofficecertification.net points to five IPs: 20.70.246.20, 20.76.201.171, 20.112.250.133, 20.231.239.246 and 20.236.44.162.

other host names include trymicosoftoffice.com, downloadhotmail.us, hotmailbanking.us, msnuniversity-int.com and microsoftsmartglass.net; they share IP numbers with microsoftofficecertification.net.

Name Servers

microsoftofficecertification.net delegates to four name servers: ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org.

microsoftofficecertification.net at least partially shares name servers with other domains, for instance 75.46.207.in-addr.arpa, nlaredo.tecnm.mx, nimbow.com, buildmypinnedsite.fr and gocafe.com.tr.

Host names with two IP numbers: ns1-09.azure-dns.com points to 2603:1061:0:700::9 and 13.107.236.9; ns4-09.azure-dns.info points to 2620:1ec:bda:700::9 and 208.84.5.9; ns2-09.azure-dns.net points to 2620:1ec:8ec:700::9 and 150.171.21.9; ns3-09.azure-dns.org points to 2a01:111:4000:700::9 and 204.14.183.9.

microsoftofficecertification.net - robtex.com